MFENUMPROC callback function (wingdi.h)
The EnumMetaFileProc function is an application-defined callback function that processes Windows-format metafile records. This function is called by the EnumMetaFile function. The MFENUMPROC type defines a pointer to this callback function. EnumMetaFileProc is a placeholder for the application-defined function name.
Note This function is provided only for compatibility with Windows-format metafiles. Enhanced-format metafiles provide superior functionality and are recommended for new applications. The corresponding function for an enhanced-format metafile is EnhMetaFileProc.
Syntax
MFENUMPROC Mfenumproc;
int Mfenumproc(
HDC hdc,
HANDLETABLE *lpht,
METARECORD *lpMR,
[in] int nObj,
LPARAM param
)
{...}
Parameters
hdc
lpht
lpMR
[in] nObj
Specifies the number of objects with associated handles in the handle table.
param
Return value
This function must return a nonzero value to continue enumeration; to stop enumeration, it must return zero.
Remarks
An application must register the callback function by passing its address to the EnumMetaFile function.
EnumMetaFileProc is a placeholder for the application-supplied function name.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 2000 Professional [desktop apps only] |
| Minimum supported server | Windows 2000 Server [desktop apps only] |
| Target Platform | Windows |
| Header | wingdi.h (include Windows.h) |